Energy Flow in Ecosystem
According to first law, energy cannot be created nor destroyed, but, can only show a state known as
Utilized
Thermodynamics
Convection
Conversion
Conversion
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50% of incident energy is lost due to:A. Consumers
B. Producers
C. Microorganisms
D. Planktons
Which law states that, conversion of energy from one form to another is not 100% efficient?
A. First law of thermodynamics
B. Second law of thermodynamics
C. Energy flow
D. Biological system
What is an average incident energy ?
A. 3000kcal/m2/day
B. 2000kcal/m2/day
C. 5000kcal/m2/day
D. 6000kcal/m2/day
Phenomenon, by which some primarily bacteria utilize chemicals to generate energy rich compounds, known as
A. Autosynthesis
B. Polysynthesis
C. Photosynthesis
D. Chemosynthesis
What is ultimate source of energy in an ecosystem?
A. Sunlight
B. Nutrients
C. Food
D. Water
Bacteria obtains useful energy by oxidation of certain elements, such as:
A. Nutrients
B. Sulphur and iron
C. Calcium
D. Phosphorous
Most of solar radiation is reflected by
A. Atmospheric clouds
B. dust
C. gases
D. All of above
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